Footwear sole



FIG. 1 is a perspective view of the footwear sole embodying the new design;

FIG. 2 is a bottom view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a second left side view of the footwear sole with a portion of the sole rotated to a second configuration; and,

FIG. 8 is a second rear view of the footwear sole with the portion of the sole rotated to the second configuration.

FIGS. 1-8 show features of an article of footwear in phantom lines. These features are shown for environmental purposes and do not form any part of the claimed design. Further, the phantom lines immediately adjacent the solid-line portions of the design form the boundary of the design, with the phantom lines forming no part of the claimed design. 

The ornamental design for footwear sole, as shown and described. 